<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <title>后盾人</title>
  </head>
  <body></body>
  <script>
    let title = "后盾人";
    function show() {
      let url = "houdunren.com";
      function hd() {
        let site = "hdcms";
        console.log(url);
      }
      hd();
    }
    show();
    show();
    show();
    show();
    show();
  </script>
</html>
